Hydraulic shaping device for casing pipe

Abstract

The utility model relates to the technical field of sleeve repair, and discloses a sleeve hydraulic shaping device which comprises a shaping support, four arc-shaped shaping plates are arranged outside the shaping support, a fixing cover is fixedly installed at the top end of the shaping support, and a hydraulic cylinder is fixedly installed in the middle of the top end of the fixing cover. The telescopic end of the hydraulic cylinder extends into the fixing cover and is fixedly connected with a push plate, and the periphery of the bottom of the push plate is fixedly connected with four pressing rods. Through cooperation of the hydraulic cylinders, the push plates, the pressing rods, the reset springs, the limiting sliding grooves, the limiting sliding blocks, the limiting rods, the arc-shaped shaping plates and the guide telescopic rods, the four arc-shaped shaping plates can be conveniently pushed to expand outwards, pressure is applied to the inner wall of a sleeve through the outward expansion force of the four arc-shaped shaping plates, the deformed position of the inner wall of the sleeve is repaired, and the service life of the sleeve is prolonged. By adopting the mode, the inner wall of the sleeve can be repaired conveniently, and meanwhile the inner wall of the sleeve is not prone to being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of casing repair, more particularly to a casing hydraulic shaping device. BACKGROUND

[0002] In the petroleum equipment, casing is a tool for reinforcing the well wall. The casing can make the downhole operation channel unobstructed, the well wall smooth, and the channel size uniform, which is convenient for subsequent oil production operation. Therefore, in the process of oil exploitation, casing has been used to reinforce the well wall. In practical application, part of the oil well casing will be locally deformed due to the influence of many factors such as formation movement, formation density change or thermal expansion and contraction caused by steam injection thermal recovery. Since the deformation of the casing directly affects the normal oil production operation, even the pump cannot be lowered for production, it needs to be repaired.

[0003] At present, casing shaping and repairing is generally divided into mechanical shaping and explosive shaping. Explosive shaping is easy to cause casing damage and has safety hazards. Mechanical shaping generally has problems such as damaging the casing and sacrificing the thickness of the casing, which needs to be improved. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a casing hydraulic shaping device to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: a casing hydraulic shaping device, comprising a shaping support, four arc-shaped shaping plates are arranged outside the shaping support, a fixing cover is fixedly installed at the top end of the shaping support, a hydraulic cylinder is fixedly installed at the middle part of the top end of the fixing cover, the telescopic end of the hydraulic cylinder extends to the inside of the fixing cover and is fixedly connected with a push plate, pressure rods are fixedly connected around the bottom of the push plate, the number of the pressure rods is four, limit sliding grooves are arranged around the outer wall of the shaping support, the number of the limit sliding grooves is four, the bottom end of the four pressure rods penetrates through the bottom of the fixing cover and the top of the shaping support and extends to the inside of the four limit sliding grooves, limit sliding blocks are slidably connected above the inside of the four limit sliding grooves, the bottom end of the pressure rod is fixedly connected with the top of the limit sliding block, the number of the limit sliding blocks is four, limit rods are hingedly connected to one side of the four limit sliding blocks, one end of the limit rod is hingedly connected to the middle part of the inner wall of the arc-shaped shaping plate, a high-definition camera is arranged below the shaping support.

[0006] Further, the top end of the fixing cover is fixedly connected with a connecting pipe, and the hydraulic cylinder is located in the inside of the connecting pipe.

[0007] Further, a reset spring is movably sleeved around the outer wall of the pressure rod, the top end of the reset spring is fixedly installed at the bottom of the push plate, and the bottom end of the reset spring is fixedly installed at the bottom of the inner wall of the fixing cover.

[0008] Further, the outer wall of the shaping support is fixedly provided with a plurality of guide telescopic rods, and the telescopic ends of the guide telescopic rods are fixedly provided around the inner walls of the four arc-shaped shaping plates.

[0009] Further, the bottom end of the shaping support is fixedly provided with a power box, and the top of the high-definition camera is fixedly provided at the bottom of the power box.

[0010] Further, the lower portion of the outer wall of the shaping support is fixedly provided with a ring-shaped illuminating lamp, and the ring-shaped illuminating lamp is located below the four arc-shaped shaping plates.

[0011] Further, the power box is internally provided with a storage battery, and the ring-shaped illuminating lamp and the high-definition camera are electrically connected with the storage battery.

[0012] The technical effects and advantages of the present application are as follows:

[0013] 1. The hydraulic cylinder, the push plate, the compression rod, the reset spring, the limiting sliding groove, the limiting sliding block, the limiting rod, the arc-shaped shaping plate and the guide telescopic rod are matched, so that the four arc-shaped shaping plates are expanded outward, the force of the four arc-shaped shaping plates is used to apply pressure to the inner wall of the sleeve, the position of the deformation of the inner wall of the sleeve is repaired, and the inner wall of the sleeve is repaired conveniently and is not easily damaged.

[0014] 2. The high-definition camera and the ring-shaped illuminating lamp are matched, the ring-shaped illuminating lamp provides illumination for the high-definition camera, the high-definition camera is used to shoot the inner wall of the sleeve, and the specific situation of the deformation of the inner wall of the sleeve is conveniently understood by the staff. DETAILED DESCRIPTION

[0015] Figure 1 It is a whole structure schematic view of the present application.

[0016] Figure 2 It is another perspective view of the whole structure of the present application.

[0017] Figure 3 It is a whole structure sectional view of the present application.

[0018] Figure 4 It is a structure schematic view of the shaping support, the compression rod, the limiting sliding groove, the limiting sliding block, the limiting rod and the arc-shaped shaping plate of the present application.

[0019] The attached diagram is labeled as follows: 1. Shaping bracket; 2. Fixing cover; 3. Connecting pipe; 4. Hydraulic cylinder; 5. Push plate; 6. Pressure rod; 61. Return spring; 7. Limiting groove; 8. Limiting slider; 9. Limiting rod; 10. Arc-shaped shaping plate; 11. Guide telescopic rod; 12. Ring light; 13. Power supply box; 14. High-definition camera. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The sleeve hydraulic shaping device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Example 1:

[0022] like Figures 1-4 As shown, a sleeve hydraulic shaping device includes a shaping bracket 1. Four arc-shaped shaping plates 10 are provided on the outside of the shaping bracket 1. Multiple guide telescopic rods 11 are fixedly installed on the outer wall of the shaping bracket 1. The telescopic ends of the multiple guide telescopic rods 11 are fixedly installed around the inner walls of the four arc-shaped shaping plates 10. A fixing cover 2 is fixedly installed at the top of the shaping bracket 1. A hydraulic cylinder 4 is fixedly installed at the center of the top of the fixing cover 2. The telescopic end of the hydraulic cylinder 4 extends into the interior of the fixing cover 2 and is fixedly connected to a push plate 5. Four pressure rods 6 are fixedly connected around the bottom of the push plate 5. A return spring 61 is movably sleeved on the outer wall of each pressure rod 6. The top of the return spring 61 is fixedly installed at the bottom of the push plate 5. The bottom end of the return spring 61 is fixedly installed on the bottom of the inner wall of the fixed cover 2. The outer wall of the shaping bracket 1 is provided with limiting grooves 7 around its perimeter. There are four limiting grooves 7. The bottom ends of the four pressure rods 6 penetrate the bottom of the fixed cover 2 and the top of the shaping bracket 1 and extend into the interior of the four limiting grooves 7. Limiting sliders 8 are slidably connected to the upper part of the interior of the four limiting grooves 7. The bottom end of the pressure rod 6 is fixedly connected to the top of the limiting slider 8. There are four limiting sliders 8. A limiting rod 9 is hinged to one side of each of the four limiting sliders 8. One end of the limiting rod 9 is hinged to the middle of the inner wall of the arc-shaped shaping plate 10. A connecting pipe 3 is fixedly connected to the top of the fixed cover 2. The hydraulic cylinder 4 is located inside the connecting pipe 3.

[0023] In the embodiment, the hydraulic pressure is generated by the telescopic end of the hydraulic cylinder 4, so as to facilitate the vertical movement of the push plate 5, the four pressing rods 6 and the four limiting sliding blocks 8. The four limiting sliding grooves 7 are arranged to facilitate the vertical guidance of the four limiting sliding blocks 8. The four limiting sliding blocks 8 can push the four arc-shaped shaping plates 10 to expand outward while moving vertically, and the guiding telescopic rods 11 are arranged to facilitate the horizontal guidance of the arc-shaped shaping plates 10, so as to exert pressure on the inner wall of the casing by the expansion force of the four arc-shaped shaping plates 10, and repair the deformed position of the inner wall of the casing.

[0024] Embodiment two:

[0025] As shown in Figures 1-4 , the shaping support 1 is provided with a high-definition camera 14 below, and the bottom end of the shaping support 1 is fixedly installed with a power box 13. The top of the high-definition camera 14 is fixedly installed at the bottom of the power box 13. The lower outer wall of the shaping support 1 is fixedly installed with a ring-shaped illuminating lamp 12. The ring-shaped illuminating lamp 12 is below the four arc-shaped shaping plates 10. The power box 13 is provided with a storage battery inside. The ring-shaped illuminating lamp 12 and the high-definition camera 14 are electrically connected with the storage battery.

[0026] In the embodiment, the storage battery is arranged to facilitate the power supply of the ring-shaped illuminating lamp 12 and the high-definition camera 14. The power box 13 is provided with a charging port to facilitate the charging of the storage battery. The ring-shaped illuminating lamp 12 can provide illumination for the high-definition camera 14, so that the high-definition camera 14 can take clearer pictures inside the casing. The high-definition camera 14 is signal-connected with a display screen. The display screen can be arranged outside above the well. When the high-definition camera 14 takes pictures of the inner wall of the casing, the picture is transmitted to the display screen outside, so that the staff can understand the specific situation of the deformation of the inner wall of the casing.

[0027] In summary, as shown in Figures 1-4As shown, the casing hydraulic shaping device is used to be lowered into the casing inside the well, the high-definition camera 14 is used to shoot the casing inner wall, and the shooting picture is transmitted to the display screen outside, the staff can understand the specific situation of the casing inner wall deformation through the display screen, then the arc-shaped shaping plate 10 outside the shaping support 1 is lowered to the position needing to be repaired in the casing, the hydraulic pressure is generated by the telescopic end of the hydraulic cylinder 4, the push plate 5 is pressed to reset the spring 61 in the fixed cover 2, the push plate 5 drives the four limiting sliding blocks 8 to vertically slide in the four limiting sliding grooves 7 through the four pressure rods 6, the four limiting sliding blocks 8 drive the top ends of the four limiting rods 9 to move, the four limiting rods 9 drive the four arc-shaped shaping plates 10 to expand outward, the arc-shaped shaping plates 10 drive the telescopic ends of the guide telescopic rods 11 to horizontally move, the outer wall of the arc-shaped shaping plates 10 is pressed against the shaping position of the casing inner wall to apply pressure, so that the casing inner wall deformation position is repaired.

[0028] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0030] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A casing hydraulic reshaping device comprising a reshaping stand (1), characterized in that, The outer part of the shaping support (1) is provided with four arc-shaped shaping plates (10), the top end of the fixing cover (2) is fixedly installed with a hydraulic cylinder (4), the telescopic end of the hydraulic cylinder (4) extends to the inside of the fixing cover (2) and is fixedly connected with a push plate (5), the bottom of the push plate (5) is fixedly connected with a pressing rod (6), the number of the pressing rod (6) is four, the outer wall of the shaping support (1) is provided with a limiting sliding groove (7), the number of the limiting sliding groove (7) is four, the bottom end of the four pressing rods (6) penetrates through the bottom of the fixing cover (2) and the top of the shaping support (1) and extends to the inside of the four limiting sliding grooves (7), the upper part of the inside of the four limiting sliding grooves (7) is slidably connected with a limiting sliding block (8), the bottom end of the pressing rod (6) is fixedly connected with the top of the limiting sliding block (8), the number of the limiting sliding block (8) is four, one side of the four limiting sliding blocks (8) is hingedly connected with a limiting rod (9), one end of the limiting rod (9) is hingedly connected with the middle part of the inner wall of the arc-shaped shaping plate (10), the lower part of the shaping support (1) is provided with a high-definition camera (14).

2. A casing hydraulic straightening apparatus according to claim 1, characterized in that: The top end of the fixing cover (2) is fixedly connected with a connecting pipe (3), and the hydraulic cylinder (4) is located in the inside of the connecting pipe (3).

3. A casing hydraulic straightening apparatus according to claim 1, wherein: The outer wall of the pressing rod (6) movably sleeves a reset spring (61), the top end of the reset spring (61) is fixedly installed at the bottom of the push plate (5), and the bottom end of the reset spring (61) is fixedly installed at the bottom of the inner wall of the fixing cover (2).

4. A casing hydraulic straightening apparatus according to claim 1, wherein: The outer wall of the shaping support (1) is fixedly installed with a plurality of guide telescopic rods (11), and the telescopic ends of the guide telescopic rods (11) are fixedly installed around the inner walls of the four arc-shaped shaping plates (10).

5. A casing hydraulic straightening apparatus according to claim 1, wherein: The bottom end of the shaping support (1) is fixedly installed with a power box (13), and the top of the high-definition camera (14) is fixedly installed at the bottom of the power box (13).

6. A casing hydraulic straightening apparatus according to claim 5, wherein: The lower part of the outer wall of the shaping support (1) is fixedly installed with a ring-shaped illuminating lamp (12), and the ring-shaped illuminating lamp (12) is located below the four arc-shaped shaping plates (10).

7. A casing hydraulic straightening apparatus according to claim 6, wherein: The inside of the power box (13) is provided with a storage battery, and the ring-shaped illuminating lamp (12) and the high-definition camera (14) are electrically connected with the storage battery.

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